Home / 1,259,880.06-1,889,827.20-313,250.88

Finding the Fourth Proportional to 1,259,880.06, 1,889,827.20 and 313,250.88

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Solution

The fourth proportional to 1,259,880.06, 1,889,827.20 and 313,250.88 is: 469,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,880.06 : 1,889,827.20 = 313,250.88 : x
  2. Step 2: Convert to fraction form
    1,259,880.06/1,889,827.20 = 313,250.88/x
  3. Step 3: Cross multiply
    1,259,880.06x = 1,889,827.20 × 313,250.88
  4. Step 4: Simplify right side
    1,259,880.06x = 591,990,033,447.94
  5. Step 5: Solve for x
    x = 591,990,033,447.94/1,259,880.06
  6. Step 6: Final answer
    x = 469,878.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.